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run code in 300+ PHP versions simultaneously
<?php $foo = new class {}; function modify($a) { global $foo; var_dump($a === $foo); $a->hello = "world"; var_dump($a === $foo); } modify($foo); var_dump($foo);
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
bool(true) Deprecated: Creation of dynamic property class@anonymous::$hello is deprecated in /in/p9Deo on line 9 bool(true) object(class@anonymous)#1 (1) { ["hello"]=> string(5) "world" }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
bool(true) bool(true) object(class@anonymous)#1 (1) { ["hello"]=> string(5) "world" }
preferences:
141.86 ms | 408 KiB | 5 Q